Home / 433,257.03-649,900.35-148,945.14

Finding the Fourth Proportional to 433,257.03, 649,900.35 and 148,945.14

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Solution

The fourth proportional to 433,257.03, 649,900.35 and 148,945.14 is: 223,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,257.03 : 649,900.35 = 148,945.14 : x
  2. Step 2: Convert to fraction form
    433,257.03/649,900.35 = 148,945.14/x
  3. Step 3: Cross multiply
    433,257.03x = 649,900.35 × 148,945.14
  4. Step 4: Simplify right side
    433,257.03x = 96,799,498,616.80
  5. Step 5: Solve for x
    x = 96,799,498,616.80/433,257.03
  6. Step 6: Final answer
    x = 223,422.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.